some white space changes

[[Imported from SVN: r7352]]

dune/solvers/iterationsteps/multigridstep.cc

@@ -58,8 +58,8 @@ void MultigridStep<MatrixType, VectorType, BitVectorType>::preprocess()
     // /////////////////////////////////////////////////////
     //   Assemble the complete hierarchy of matrices
     // /////////////////////////////////////////////////////
-    for (int i=this->numLevels_-2; i>=0; i--) {
-
+    for (int i=this->numLevels_-2; i>=0; i--)
+    {
         this->mat_[i] = Dune::shared_ptr<MatrixType>(new MatrixType);
 
         // Compute which entries are present in the (sparse) coarse grid stiffness
@@ -133,15 +133,13 @@ else {
 template<class MatrixType, class VectorType, class BitVectorType>
 void MultigridStep<MatrixType, VectorType, BitVectorType>::nestedIteration()
 {
-
-    for (level_ = 0; level_<numLevels_; level_++) {
-    
+    for (level_ = 0; level_<numLevels_; level_++)
+    {
         iterate();
 
         mgTransfer_[level_]->prolong(x_[level_], x_[level_+1]);
-
     }
-     
+
     iterate();
 }
 
@@ -149,7 +147,6 @@ void MultigridStep<MatrixType, VectorType, BitVectorType>::nestedIteration()
 template<class MatrixType, class VectorType, class BitVectorType>
 void MultigridStep<MatrixType, VectorType, BitVectorType>::postprocess()
 {
-
 }
 
 
@@ -170,7 +167,7 @@ void MultigridStep<MatrixType, VectorType, BitVectorType>::iterate()
         basesolver_->solve();
         return;
     }
-    
+
     // Presmoothing
 
     presmoother_[level]->setProblem(*(this->mat_[level]), x[level], rhs[level]);
@@ -181,7 +178,7 @@ void MultigridStep<MatrixType, VectorType, BitVectorType>::iterate()
 
     // /////////////////////////
     // Restriction
-    
+
     // compute residual
     // fineResidual = rhs[level] - mat[level] * x[level];
     VectorType fineResidual = rhs[level];